APA Citation

Ruiz, A. (1959). Notes on Costa Rican Opalinids. I. Opalina moreletei Metcalf. Universidad de Costa Rica.

Chicago Style Citation

Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. Universidad de Costa Rica, 1959.

MLA Citation

Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. Universidad de Costa Rica, 1959.

Warning: These citations may not always be 100% accurate.